Home / 3,313.99-4,573.08-1,897.68

Finding the Fourth Proportional to 3,313.99, 4,573.08 and 1,897.68

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Solution

The fourth proportional to 3,313.99, 4,573.08 and 1,897.68 is: 2,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.99 : 4,573.08 = 1,897.68 : x
  2. Step 2: Convert to fraction form
    3,313.99/4,573.08 = 1,897.68/x
  3. Step 3: Cross multiply
    3,313.99x = 4,573.08 × 1,897.68
  4. Step 4: Simplify right side
    3,313.99x = 8,678,242.45
  5. Step 5: Solve for x
    x = 8,678,242.45/3,313.99
  6. Step 6: Final answer
    x = 2,618.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.